NWS Key West

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Last Map Update: Fri, Feb 6, 2026 at 8:22:44 pm EST

Watches, Warnings & Advisories

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National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

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Small Craft Advisory

Small Craft Exercise Caution

Island Chain

Marine Winds

Wave Heights

Small Craft Should Exercise Caution in the Florida Straits and SE Gulf! Eastern Straits: W-NW winds 15-20 knots, resulting in seas of 4-5 ft, occasionally to 6 ft. Western Straits & SE Gulf: NW winds will increase to 15-20 knots, with seas of 3-5 ft, occasionally to 6 ft.

TONIGHT...Mostly clear. Cooler, with lows in the upper 50s, cold in the Upper Keys with lows in the lower 50s. West to northwest winds near 10 mph, increasing to 10 to 15 mph.

Small Craft Should Exercise Caution: SE Gulf and FL Straits! Tonight... W-NW winds ~15 knots, or increasing to 10-15 kts, north of the island chain and western Hawk Channel. W-NW winds 15-20 kts, or increasing to 15-20 kts (western Straits & SE Gulf), distant waters. Seas: Bay/Gulfside 2-3 ft, west of Marquesas ~4 ft, occasional 5 ft, Hawk Channel 2-3 ft, W of Cosgrove 4-5 ft, occasional 6 ft, FL Straits 4-5 ft, occasional 6 ft, SE Gulf 3-5 ft, occasional 6 ft. Bay/nearshore waters becoming a light to moderate chop. Visit weather.gov/key/marine for a more detailed marine forecast!

Small Craft Should Exercise Caution: SE Gulf and FL Straits! Tonight... W-NW winds ~15 knots, or increasing to 10-15 kts, north of the island chain and western Hawk Channel. W-NW winds 15-20 kts, or increasing to 15-20 kts (western Straits & SE Gulf), distant waters. Seas: Bay/Gulfside 2-3 ft, west of Marquesas ~4 ft, occasional 5 ft, Hawk Channel 2-3 ft, W of Cosgrove 4-5 ft, occasional 6 ft, FL Straits 4-5 ft, occasional 6 ft, SE Gulf 3-5 ft, occasional 6 ft. Bay/nearshore waters becoming a light to moderate chop. Visit weather.gov/key/marine for a more detailed marine forecast!